﻿<p>There are two general types of cooled or chilled beams: passive and active.
An active Cooled Beam uses a fan or other auxilliary device to aid in air recirculation, while a passive
Cooled Beam relies solely on convection to cool the space.</p>

        <blockquote class="history">HISTORY&nbsp; New enumeration in IFC2x2.</blockquote>
